Spok Holdings, Inc
SPOK- Exchange
- Nasdaq
- Industry
- Radiotelephone Communications
- SEC CIK
- 0001289945
In the last 90 days, Spok Holdings, Inc insiders filed 0 open-market purchases and 2 sales; 132 institutions reported holding it in 13F filings for Q2 2026, worth $110.9M in total; no superinvestor holds it.
13F holders, Q2 2021
Institutional positions in Spok Holdings, Inc as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 103
- +1 vs. Q1 2021
- Shares held
- 13.5M
- −395.0K (−2.8%) vs. Q1 2021
- Total value
- $130.0M
- −$15.9M (−10.9%) vs. Q1 2021
- New holders
- 18
- 26 more added
- Sold out
- 17
- 40 more reduced
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SPOK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 132 | $110.9M |
| Q1 2026 | 139 | $114.4M |
| Q4 2025 | 134 | $146.0M |
| Q3 2025 | 143 | $197.7M |
| Q2 2025 | 130 | $194.4M |
| Q1 2025 | 125 | $173.5M |
| Q4 2024 | 116 | $162.1M |
| Q3 2024 | 109 | $152.0M |
| Q2 2024 | 114 | $150.8M |
| Q1 2024 | 111 | $160.3M |
| Q4 2023 | 107 | $158.2M |
| Q3 2023 | 97 | $143.1M |
| Q2 2023 | 87 | $135.4M |
| Q1 2023 | 85 | $98.1M |
| Q4 2022 | 78 | $82.6M |
| Q3 2022 | 60 | $68.2M |
| Q2 2022 | 62 | $61.6M |
| Q1 2022 | 62 | $89.4M |
| Q4 2021 | 71 | $107.6M |
| Q3 2021 | 87 | $119.8M |
| Q2 2021 | 103 | $130.0M |
| Q1 2021 | 102 | $145.9M |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 2,080,629 | $20.0M | 0.00% | −1,004,552−32.6% | Reduced |
| Renaissance Technologies LLC | 1,516,771 | $14.6M | 0.02% | −4,191−0.3% | Reduced |
| Deprince Race & Zollo Inc | 1,442,292 | $13.9M | 0.35% | +915,916+174.0% | Added |
| Dimensional Fund Advisors LP | 1,434,126 | $13.8M | 0.00% | −57,068−3.8% | Reduced |
| Invesco Ltd. | 1,040,182 | $10.0M | 0.00% | +806,927+345.9% | Added |
| Vanguard Group Inc | 977,523 | $9.40M | 0.00% | −299,025−23.4% | Reduced |
| Tocqueville Asset Management L.P. | 401,600 | $3.86M | 0.06% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 345,614 | $3.33M | 0.00% | −62,353−15.3% | Reduced |
| State Street Corp | 333,346 | $3.21M | 0.00% | −233,072−41.1% | Reduced |
| Millennium Management LLC | 281,758 | $2.71M | 0.00% | +258,666+1,120.2% | Added |
| Russell Investments Group, Ltd. | 280,674 | $2.70M | 0.00% | +280,674 | New |
| Foundry Partners, LLC | 259,023 | $2.49M | 0.09% | −53,730−17.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 213,179 | $2.05M | 0.00% | +76,064+55.5% | Added |
| Geode Capital Management, LLC | 184,795 | $1.78M | 0.00% | −116,790−38.7% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 173,278 | $1.67M | 0.01% | −59,900−25.7% | Reduced |
| Blair William & Co | 157,921 | $1.52M | 0.01% | +31,328+24.7% | Added |
| JPMorgan Chase & Co | 135,790 | $1.31M | 0.00% | −334,065−71.1% | Reduced |
| Principal Financial Group Inc | 123,422 | $1.19M | 0.00% | +950+0.8% | Added |
| Jacobs Levy Equity Management, Inc | 89,794 | $864.0K | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 86,699 | $833.0K | 0.00% | +6,118+7.6% | Added |
| Bridgeway Capital Management, LLC | 86,400 | $831.0K | 0.01% | −12,000−12.2% | Reduced |
| Citadel Advisors LLC | 85,113 | $819.0K | 0.00% | +62,816+281.7% | Added |
| Northern Trust Corp | 84,830 | $816.0K | 0.00% | −137,256−61.8% | Reduced |
| Charles Schwab Investment Management Inc | 83,651 | $805.0K | 0.00% | −42,841−33.9% | Reduced |
| Ameriprise Financial Inc | 83,639 | $804.0K | 0.00% | −3,468−4.0% | Reduced |
| Goldman Sachs Group Inc | 81,842 | $787.0K | 0.00% | +30,744+60.2% | Added |
| Parametric Portfolio Associates LLC | 77,496 | $746.0K | 0.00% | −54,278−41.2% | Reduced |
| Raymond James & Associates | 75,550 | $727.0K | 0.00% | +75,550 | New |
| Granite Point Capital Management, L.P. | 75,000 | $722.0K | 0.21% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 64,000 | $616.0K | 0.00% | +21,121+49.3% | Added |
| Royal Bank of Canada | 56,056 | $539.0K | 0.00% | +1,057+1.9% | Added |
| HRT Financial LP | 51,516 | $495.0K | 0.00% | +51,516 | New |
| Two Sigma Advisers, LP | 50,687 | $488.0K | 0.00% | +11,600+29.7% | Added |
| ExodusPoint Capital Management, LP | 50,487 | $486.0K | 0.01% | +50,487 | New |
| Public Sector Pension Investment Board | 46,295 | $445.0K | 0.00% | +713+1.6% | Added |
| Barclays PLC | 45,735 | $439.0K | 0.00% | −8,401−15.5% | Reduced |
| Exchange Traded Concepts, LLC | 43,263 | $416.0K | 0.01% | +3,692+9.3% | Added |
| New York State Teachers Retirement System | 40,850 | $393.0K | 0.00% | −1,600−3.8% | Reduced |
| Jane Street Group, LLC | 40,661 | $391.0K | 0.00% | +40,661 | New |
| Bank of America Corp | 38,222 | $368.0K | 0.00% | −50,029−56.7% | Reduced |
| First Quadrant L P | 38,273 | $368.0K | 0.04% | −7,927−17.2% | Reduced |
| Guggenheim Capital LLC | 35,432 | $341.0K | 0.00% | +14,242+67.2% | Added |
| Tibra Equities Europe Ltd | 35,100 | $338.0K | 0.10% | +35,100 | New |
| Legal & General Group Plc | 34,830 | $335.0K | 0.00% | −13,060−27.3% | Reduced |
| D. E. Shaw & Co., Inc. | 33,770 | $325.0K | 0.00% | −31,968−48.6% | Reduced |
| Rhumbline Advisers | 32,241 | $310.0K | 0.00% | −29,318−47.6% | Reduced |
| Invenomic Capital Management LP | 31,784 | $306.0K | 0.14% | −2,408−7.0% | Reduced |
| Engineers Gate Manager LP | 28,257 | $272.0K | 0.02% | +16,321+136.7% | Added |
| PEAK6 Investments LLC | 24,022 | $231.0K | 0.01% | +24,022 | New |
| Winton Group Ltd | 23,909 | $230.0K | 0.01% | +4,465+23.0% | Added |
| Great West Life Assurance Co | 21,749 | $209.0K | 0.00% | 00.0% | Unchanged |
| RBF Capital, LLC | 20,000 | $192.0K | 0.01% | 00.0% | Unchanged |
| Prudential Financial Inc | 19,087 | $184.0K | 0.00% | −1,300−6.4% | Reduced |
| Alpine Global Management, LLC | 17,644 | $170.0K | 0.02% | +17,644 | New |
| 6 Meridian | 17,506 | $168.0K | 0.01% | −390−2.2% | Reduced |
| Prelude Capital Management, LLC | 15,308 | $147.0K | 0.01% | −1,900−11.0% | Reduced |
| Thrivent Financial for Lutherans | 14,579 | $140.0K | 0.00% | −59−0.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,686 | $132.0K | 0.00% | −56−0.4% | Reduced |
| HighTower Advisors, LLC | 13,723 | $131.0K | 0.00% | −534−3.7% | Reduced |
| Comerica Bank | 16,193 | $130.0K | 0.00% | −2,024−11.1% | Reduced |
| Texas Permanent School Fund | 13,290 | $128.0K | 0.00% | −23−0.2% | Reduced |
| Marshall Wace, LLP | 12,953 | $125.0K | 0.00% | +12,953 | New |
| Franklin Resources Inc | 12,678 | $122.0K | 0.00% | +12,678 | New |
| State of Alaska, Department of Revenue | 12,336 | $118.0K | 0.00% | +270+2.2% | Added |
| HighVista Strategies LLC | 12,292 | $118.0K | 0.08% | +12,292 | New |
| Quadrature Capital Ltd | 11,912 | $115.0K | 0.00% | +525+4.6% | Added |
| Cubist Systematic Strategies, LLC | 11,706 | $113.0K | 0.00% | +11,706 | New |
| Meristem Family Wealth, LLC | 11,000 | $106.0K | 0.02% | +11,000 | New |
| Corient Capital Partners, LLC | 10,656 | $103.0K | 0.01% | −1,854−14.8% | Reduced |
| KBC Group NV | 10,361 | $100.0K | 0.00% | 00.0% | Unchanged |
| Personal Capital Advisors Corp | 10,443 | $100.0K | 0.00% | +10,443 | New |
| UBS Group AG | 9,798 | $94.0K | 0.00% | −3,006−23.5% | Reduced |
| Citigroup Inc | 9,730 | $93.0K | 0.00% | +6,851+238.0% | Added |
| Tower Research Capital LLC (TRC) | 7,961 | $76.0K | 0.00% | +3,011+60.8% | Added |
| Oregon Public Employees Retirement Fund | 7,198 | $69.0K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 6,800 | $65.0K | 0.00% | +1,900+38.8% | Added |
| State of Tennessee, Treasury Department | 6,351 | $61.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 5,684 | $54.7K | 0.00% | −3,496−38.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 4,700 | $45.0K | 0.00% | 00.0% | Unchanged |
| Eaton Vance Management | 4,370 | $42.0K | 0.00% | +4,296+5,805.4% | Added |
| Mutual of America Capital Management LLC | 2,536 | $24.0K | 0.00% | +157+6.6% | Added |
| Wells Fargo & Company | 1,937 | $19.0K | 0.00% | −52,954−96.5% | Reduced |
| American International Group, Inc. | 1,587 | $15.0K | 0.00% | −10,208−86.5% | Reduced |
| Group One Trading, L.P. | 1,500 | $14.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,399 | $13.0K | 0.00% | +60+4.5% | Added |
| Nisa Investment Advisors, LLC | 1,100 | $11.0K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 686 | $7.00K | 0.00% | −171−20.0% | Reduced |
| Professional Financial Advisors, LLC | 729 | $7.00K | 0.00% | +729 | New |
| Glen Eagle Advisors, LLC | 500 | $4.81K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 415 | $4.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 385 | $4.00K | 0.00% | +199+107.0% | Added |
| FMR LLC | 271 | $3.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 401 | $3.00K | 0.00% | +401 | New |
| TCI Wealth Advisors, Inc. | 295 | $3.00K | 0.00% | +295 | New |
| Deutsche Bank AG | 250 | $2.00K | 0.00% | −17,731−98.6% | Reduced |
| New York State Common Retirement Fund | 140 | $1.00K | 0.00% | −11,160−98.8% | Reduced |
| Versant Capital Management, Inc | 122 | $1.00K | 0.00% | −321−72.5% | Reduced |
| Smithfield Trust Co | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Sageworth Trust Co | 70 | $1.00K | 0.00% | +70 | New |
| Berman Capital Advisors, LLC | 101 | $0 | 0.00% | 00.0% | Unchanged |